I expected to see:
Toolset Settings screen opening up.
Instead, I got:
There has been a critical error on your website.
The only way for me to access Toolset Settings is to temporarily deactivate Google SiteKit.
I have seen another post where this issue is known and have used the workaround successfully in the past, however it seems to keep popping back up and last time I tried the workaround it didn't have any effect.
Is the permanent fix due soon with a plugin update?
I worked out the correct folder myself. Now it's working again, although that is a change from the last time where I only had to replace it in two locations. Perhaps you could add a note to the other support ticket that this location is affected too.